How to Jailbreak iOS 12 [Step by Step]

Explore the guide on how to jailbreak iOS 12 on iPhone, including tools for Windows, Mac, and direct iPhone use. Learn about bypassing iCloud Activation Lock with EaseUS MobiUnlock and find answers to common jailbreaking questions.

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Sofia Albert

Updated on Feb 27, 2024

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  • Jailbreaking is a liberation from Apple's boundaries, boosting customization and control. It lets you dive into the iOS root, allowing off-the-menu apps, extensions, and themes.
  • Jailbreak your iPhone running iOS 12 to 12.5.7 using tools like iRa1n, Checkn1x on Windows, Checkra1n on Mac, and Unc0ver directly on your iPhone.
  • EaseUS MobiUnlock can help you bypass iCloud Activation Lock on your iPhone or iPad, making it accessible again.

Eager to tap into more than what iOS offers? You might be eyeing jailbreaking. This term might sound a bit daunting. It's all about breaking free from Apple's software limits on iOS gadgets. Our deep dive here will guide you on how to jailbreak iOS 12. We're laying out a clear path to unleash your iPhone's full potential.

Jailbreaking lets you customize your iPhone beyond standard iOS ways. Think about snagging apps not in the App Store, or tweak your system for better looks or speed. But, you might risk your warranty or open up security gaps. Knowing the process, the tools, and the safe steps for your iOS 12 is key. Our guide's here to hand you all you need. We've made it simple to follow, aiming for a smooth jailbreaking journey.

Must-Known Things to iOS Jailbreaking

Diving into jailbreaking iOS 12, it's vital to grasp the essentials first. Knowing the nitty-gritty helps smooth out your iPhone modification. Let's tackle common queries and build a solid jailbreaking foundation.

1. What is iOS jailbreaking?

It's about ditching Apple's limits on iOS devices. Jailbreaking lets you dive into the iOS root, allowing off-the-menu apps, extensions, and themes. It's a liberation from Apple's boundaries, boosting customization and control.

2. What are the risks associated with jailbreaking?

Jailbreaking's cool but risky. It can invite malware, and cause stability woes like crashes or poor battery life. Also, it voids your iPhone's warranty - Apple won't cover jailbreak-linked damages.

3. Can jailbreaking be reversed?

Yes, mostly. 'Restoring' your iPhone via iTunes wipes the jailbreak, reverting to factory settings. But, if jailbreaking harms your device, restoring might not fix that.

4. Does jailbreaking an iPhone unlock it from its carrier?

Nope, they're different. Jailbreaking iPhone sidesteps Apple's software rules, but unlocking frees your phone from carrier limits. Some tools do both, but jailbreaking alone doesn't unlock your iPhone carrier.

With this knowledge, decide if jailbreaking suits you and your iPhone. Informed and equipped, you're set for the exciting jailbreak world.

How to Jailbreak an iCloud-locked iPhone/iPad

When your iPhone or iPad is iCloud-locked, jailbreaking turns tricky. This snag often leaves folks stumped. But, there's a fix for this tight spot. Enter EaseUS MobiUnlock, a software crafted to sidestep iCloud Activation Locks. Let's see how this tool can be a lifesaver.

EaseUS MobiUnlock shines in unlocking iCloud-trapped iOS devices. It's a godsend if you've nabbed a second-hand iPhone or iPad but hit a lockout. You can remove the Activation lock without Apple ID easily. In addition, MobiUnlock is designated to unlock your iPhone/iPad without passcode. So, if you forgot iPhone passcode, you can reset the screen passcode with MobiUnlock.

Note: It supports iPhone 5~ iPhone X with running iOS 12~iOS 16.7.5.

Shining Features of EaseUS MobiUnlock:

  • Bypass iCloud Activation Lock: Forgot Apple ID password and email? No sweat. EaseUS MobiUnlock lets you jump over this hurdle. It's perfect for forgotten credentials or devices still tied to a former owner's account.
  • Simple and User-Friendly Interface: Even tech newbies will find it a breeze. The unlocking process is clear-cut, thanks to its no-fuss design.
  • Wide Compatibility: It's ready for a wide array of iPhone and iPad models, catering to many users.
  • Safe and Reliable: The tool keeps things secure, lowering the risk of losing data or harming your device.

Here is how to jailbreak an iCloud-locked iPhone with EaseUS MobiUnlock.

Step 1. Launch EaseUS MobiUnlock on your computer and connect your iPhone or iPad to the PC. Click "Bypass Activation Lock." Check out the "Term of Use" and click "I Agree" to proceed if you agree with all content.

Remove Activation Lock - Step 1

Step 2. Click "Start" to move to the next step - jailbreack your iPhone or iPad. Click "Jailbreak Tutorial" to see how to jailbreak your Apple device. (Note that if your iPhone is running iOS 15 - iOS 16.4, the EaseUS tool will jailbreak the device automatically.) If you already jailbroke your device, click "Jailbreak Completed" to proceed.

Remove Activation Lock - Step 2

Step 3. Click "Bypass Now," and EaseUS MobiUnlock will start removing Activation Lock from your iPhone or iPad.

Remove Activation Lock - Step 3

Step 4. Wait for the process to complete. After the process, click "OK" to confirm, and you can set up your iPhone or iPad without obstacles. 

Remove Activation Lock - Step 4

How to Jailbreak iOS 12/iOS 12.5.7 [Windows/Mac/iPhone]

Now you're jailbreak-savvy, let's get into the guide on how to jailbreak iOS 12 or iOS 12.5.7. The method varies - Windows PC, Mac, or just the iPhone.

1. On Windows

Windows users can get tools like iRa1n. This jailbreak tool is great for those needing to jailbreak iOS 12. Here's how it works:

Step 1. Begin by visiting the iBypasser website. Locate and download the iRa1n tool, ensuring it's the latest version compatible with your iOS device. (You can also apply other tools to jailbreak your iOS devices on Windows.)

Step 2. Once downloaded, extract the iRa1n jailbreaking tool from its zip file. Find the extracted iRa1n.exe file and double-click to launch it.

iRa1n jailbreak iPhone

Step 3. iRa1n will provide a series of prompts and instructions on your screen. Follow these carefully, which will include connecting your iPhone to your computer and possibly entering DFU mode.

ira1n jailbreak iphone installing

Step 4. After following all the instructions, the jailbreak process will be completed. Then, you successfully jailbreak iOS 12.

2. On Mac:

Jailbreaking an iPhone on a Mac is a straightforward process, especially with the Checkra1n tool, which is designed to work seamlessly with macOS. Here's a step-by-step guide to jailbreak iOS 12 on Mac:

Step 1. Visit the official Checkra1n website to download the latest version of the tool. Ensure it's compatible with your macOS version and iPhone model.

Step 2. After downloading, open the .dmg file and drag the Checkra1n application to your Applications folder. This installs the tool on your Mac.

checkra1n on mac

Step 3. Use a USB cable to connect your iPhone to your Mac. Ensure the connection is secure to avoid any interruptions during the jailbreaking process.

Step 4. Open Checkra1n from your Applications folder. The tool will automatically detect your connected iPhone. Click 'Start' to initiate the jailbreaking process.

run checkra1n

Step 5. Follow the on-screen instructions to put your iPhone into DFU (Device Firmware Update) mode. This step is crucial to jailbreak iOS 12.

Step 6. Once your iPhone is in DFU mode, Checkra1n will proceed with the jailbreak. Wait for the process to complete, and then you can access Cydia from your iPhone's home screen.

3. On iPhone:

For those who prefer a computer-free method, jailbreaking directly on the iPhone is possible using the Unc0ver tool. You can jailbreak iPhone without computer. Here's how to jailbreak iOS 12:

Step 1. Open Safari on your iPhone and navigate to the official Unc0ver website. Download the latest version of the Unc0ver jailbreaking tool.

Step 2. Once downloaded, tap on the Unc0ver app to install it. You might need to trust the developer profile in your iPhone's settings to proceed with the installation.

Step 3. Before starting the jailbreak, ensure your iPhone has enough battery life and is connected to a stable internet connection.

Step 4. Open the Unc0ver app on your iPhone and tap on the 'Jailbreak' button. The app will start the jailbreaking process.

Step 5. Keep an eye on the process, as your iPhone may restart several times during the jailbreak. Do not disconnect from the internet or turn off your iPhone while the process is ongoing.

tap the jailbreak button

Step 6. Once the jailbreak is complete, you will find Cydia on your home screen, indicating a successful jailbreak. You can now use Cydia to download apps and tweaks that are not available on the App Store.

Each of these methods offers a reliable way to jailbreak your iPhone running iOS 12 to iOS 12.5.7. Whether you're using a Mac or the iPhone itself, following these steps carefully will ensure a success to jailbreak iOS 12. Remember to ensure that your device is compatible with the chosen jailbreaking tool and to proceed with caution to avoid any potential issues.


We've navigated through jailbreaking iPhones on iOS 12/iOS 12.5.7. From iRa1n and Checkn1x on Windows, Checkra1n on Mac, to Unc0ver right on the iPhone, we've laid out options for different needs and setups to jailbreak iOS 12. Plus, for iCloud-locked devices, we've introduced EaseUS MobiUnlock as a trusty solution.

Facing an iCloud lock? EaseUS MobiUnlock is a top pick. It's easy to use, works with various iOS devices, and offers a secure path to reclaim access to your device. Just grab it from the official EaseUS site and follow the straightforward unlocking steps.

FAQs on How to Jailbreak iOS 12

As we wrap up this guide, let's address some frequently asked questions about jailbreaking iOS devices:

1. Is jailbreaking an iOS illegal?

Jailbreaking an iOS device is not illegal, especially in countries like the United States. However, it's important to be aware of your local laws as the legality can vary by country. While jailbreaking is legal, it does void Apple's warranty on the device.

2. What will I lose if I jailbreak my iPhone?

First off, you'll lose Apple's warranty. Also, your iPhone might not be as stable or secure. Jailbreaking can muddle up iOS updates and mess with how some apps and services work.

3. Will jailbreaking my iPhone unlock it?

Nope. Jailbreaking and unlocking are different. Jailbreaking lets you sidestep iOS's software limits for extra apps and tweaks. Unlocking means freeing your phone from carrier limits. Jailbreaking alone won't unlock your iPhone. So, jailbreaking opens new doors for functionality and customization. But, be careful and clued up about the risks and downsides.

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Updated by Sofia Albert

Sofia has been involved with tech ever since she joined the EaseUS editor team in March 2011 and now she is a senior website editor. She is good at solving various iPhone and Android issues, such as iPhone or Android data transfer & recovery.

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